This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 524288 |
| 3 | 1162261467 |
| 4 | 274877906944 |
| 5 | 19073486328125 |
| 6 | 609359740010496 |
| 7 | 11398895185373143 |
| 8 | 144115188075855872 |
| 9 | 1350851717672992089 |
| 10 | 10000000000000000000 |
| 11 | 61159090448414546291 |
| 12 | 319479999370622926848 |
| 13 | 1461920290375446110677 |
| 14 | 5976303958948914397184 |